Vaillant
Vaillant Valve 0020266437
Vaillant valve, part number 0020266437, intended for Arotherm 5/5 air-to-water heat pump units.
At a glance
- Appliance family: Arotherm 5/5 air-to-water heat pumps
- Also known as 1386779
£11.77
£9.81 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vaillant 0020266437 is a valve supplied for the Arotherm 5/5 range of air-to-water heat pumps. It forms part of the appliance's water circuit, controlling flow through the relevant section of the unit. It is listed by Vaillant under part number 0020266437.
Signs this part needs replacing
- Water weeping or visible staining around the valve body or spindle
- Dripping from the valve with the system under normal operating pressure
- Poor or inconsistent flow through the circuit the valve controls
- Stiff, seized or unresponsive operation when the valve is adjusted
- Unusual noise or vibration from the valve area during operation
Before you order
- Confirm your appliance model against the fitment list above, using the data plate on the unit
- Check the part number on the existing component or against the manufacturer's parts list for your model
- Confirm how many valves are required for the repair before ordering
Compliance
| Alternative numbers | 1386779 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT aroTHERM 5/5 VWL 105/5 AS 230V S2 (2019) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 125/5 AS 230V S2 (2019) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 35/5 AS 230V S2 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 35/5 AS 230V S2 R1 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 55/5 AS 230V S2 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 55/5 AS 230V S2 R1 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 75/5 AS 230V S2 (2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 75/5 AS 230V S2 R1 (2022) | — | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
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